Finding the Third Proportional to 18,780 and 27,447.75
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Solution
The third proportional to 18,780 and 27,447.75 is: 40,116.03
Step by Step Solution
- Step 1: Write the proportion equation
18,780 : 27,447.75 = 27,447.75 : x - Step 2: Convert to fraction form
18,780/27,447.75 = 27,447.75/x - Step 3: Cross multiply
18,780x = 27,447.75 × 27,447.75 - Step 4: Simplify right side
18,780x = 753,378,980.06 - Step 5: Solve for x
x = 753,378,980.06/18,780 - Step 6: Final answer
x = 40,116.03
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.